APA (7e ed.) Bronvermelding

Velasco, L. R., & Cabanilla, L. S. (2003). Assessment of physical resource capability in Philippine agriculture. Philippine APEC Study Center Network.

Chicago (17e ed.) Bronvermelding

Velasco, Luis Rey, en Liborio S. Cabanilla. Assessment of Physical Resource Capability in Philippine Agriculture. Manila: Philippine APEC Study Center Network, 2003.

MLA (9e ed.) Bronvermelding

Velasco, Luis Rey, en Liborio S. Cabanilla. Assessment of Physical Resource Capability in Philippine Agriculture. Philippine APEC Study Center Network, 2003.